| Name | Party | Ward | End of Term |
|---|
| Peter Bedford | Independent / Other | Coastal | 2027 |
| Dale Broughton | Boston Independent | Coastal | 2027 |
| Patricia Marson | Boston Independent | Fenside | 2027 |
| Anton Dani | Conservative and Unionist | Fenside | 2027 |
| Sarah Sharpe | Boston Independent | Fishtoft | 2027 |
| David Scoot | Boston Independent | Fishtoft | 2027 |
| Helen Staples | Boston Independent | Fishtoft | 2027 |
| James Cantwell | Conservative and Unionist | Five Village | 2027 |
| David Brown | Conservative and Unionist | Five Village | 2027 |
| Claire Rylott | Conservative and Unionist | Kirton and Frampton | 2027 |
| Ralph Pryke | Liberal Democrats | Kirton and Frampton | 2027 |
| David Middleton | Boston Independent | Kirton and Frampton | 2027 |
| John Baxter | Boston Independent | Old Leake and Wrangle | 2027 |
| Callum Butler | Boston Independent | Old Leake and Wrangle | 2027 |
| Neil Drayton | Boston Independent | Skirbeck | 2027 |
| Paul Gleeson | Independent / Other | Skirbeck | 2027 |
| Anne Dorrian | Boston Independent | Skirbeck | 2027 |
| Alison Austin | Independent / Other | St Thomas' | 2027 |
| Barrie Pierpoint | Boston Independent | Staniland | 2027 |
| Mike Gilbert | Blue Revolution | Staniland | 2027 |
| Lina Savickiene | Boston Independent | Station | 2027 |
| Suzanne Welberry | Boston Independent | Swineshead and Holland Fen | 2027 |
| Stuart Evans | Conservative and Unionist | Swineshead and Holland Fen | 2027 |
| Emma Cresswell | Boston Independent | Trinity | 2027 |
| Jyothi Arayambath | Boston Independent | Trinity | 2027 |
| Stephen Woodliffe | Independent / Other | West | 2027 |
| Andy Izard | Boston Independent | Witham | 2027 |
| Sandeep Ghosh | Boston Independent | Witham | 2027 |
| Chris Mountain | Boston Independent | Wyberton | 2027 |
| Richard Austin | Independent / Other | Wyberton | 2027 |
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